Tiny alien invaders transported in ballast water star as the villains in a new documentary film on harmful organisms in ships’ ballast water launched on March 23 by IMO, the United Nations agency responsible for the safety and security of shipping and the prevention of marine pollution by ships, and BBC Worldwide. The documentary film, “Invaders from the Sea”, which will be broadcasted/distributed on television worldwide, shows that harmful organisms transported in ballast water by ships have caused biological and economic havoc around the world, largely due to the expanded sea trade and traffic volume over the last few decades. The…